Patent Assignment Details
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Reel/Frame: | 039873/0029 | |
| Pages: | 5 |
| | Recorded: | 09/28/2016 | | |
Attorney Dkt #: | 35742/04026 |
Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). |
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Total properties:
1
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Patent #:
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Issue Dt:
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03/28/2017
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Application #:
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15258504
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Filing Dt:
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09/07/2016
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Title:
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SUBSEA WELLHEAD PRESSURE INDICATING AND AUTOMATIC ADJUSTING DEVICE FOR DEEP-WATER DUAL-GRADIENT DRILLING
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Assignee
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NO. 66, CHANGJIANG WEST ROAD |
HUANGDAO DISTRICT |
QINGDAO, SHANDONG, CHINA |
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Correspondence name and address
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YIZHOU LIU
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CALFEE, HALTER & GRISWOLD LLP
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1405 E. 6TH STREET
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CLEVELAND, OH 44114
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